问题
I am really sorry that I can’t visit you because I have to help my sister _______.[ ]
A: learning math
B: learns math
C: for learning math
D:with learning math
B: learns math
C: for learning math
D:with learning math
正确答案是：
同类题型
Do you have a _____? — Yes, I _____ at a clothes shop.
My mother cooks ________. The food tastes really ___________.
I am not sure if youin the exam, but you will be better if youharder.
Where is Mr. Zhang? –He _________ for two days. Can I give him a message?
Millie wanted to buy Daniel his favourite comic, but there was ___________ left in the shop.